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249123 (2007 XM30)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249123
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05406393816260956 7.5082e-08  
a 3.234426717061614 4.7065e-08 au
q 3.059560871038903 2.5054e-07 au
i 22.09274783475717 1.1025e-05 deg
node 81.28516573798738 1.9257e-05 deg
peri 307.991330952112 9.2165e-05 deg
M 92.0754596667322 9.0303e-05 deg
tp 2458457.079778288424
(2018-Dec-04.57977829)
0.00053217 TDB
period 2124.684259239717
5.82
4.6375e-05
1.27e-07
d
yr
n .1694369403051068 3.6983e-09 deg/d
Q 3.409292563084326 4.9609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      6640 days (18.18 yr)  
   first obs. used      2001-10-29  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 03:14:56  

Additional Information
 Earth MOID = 2.10754 au 
 Jupiter MOID = 1.95057 au 
 T_jup = 3.068 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457255.5 (2015-Aug-21.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05273090810619124 7.5608e-08  
q 3.063230181243557 2.5218e-07 au
tp 2456338.959747195310
(2013-Feb-15.45974720)
0.0005429 TDB
node 81.31395198672415 1.9261e-05 deg
peri 308.8729702841451 9.399e-05 deg
i 22.08983091595744 1.1025e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      6640 days (18.18 yr)  
   first obs. used      2001-10-29  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 03:14:56  

Additional Information
 Jupiter MOID = 1.95057 au 
 T_jup = 3.068 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.716569571220643E-15 -1.877092219910572E-14 1.431195803082381E-11 3.355231616281313E-15 2.374673546777746E-12 1.601838916404387E-14
q -1.877092219910572E-14 6.359298456955715E-14 -4.74754544037894E-11 -1.865349461836589E-14 -7.734049319787025E-12 -4.187530953084608E-14
tp 1.431195803082381E-11 -4.74754544037894E-11 2.947373916344682E-7 -1.755319503561501E-10 4.996029440527936E-8 1.672822749445722E-10
node 3.355231616281313E-15 -1.865349461836589E-14 -1.755319503561501E-10 3.709887635848716E-10 -3.731372884183248E-10 -2.921423787666759E-12
peri 2.374673546777746E-12 -7.734049319787025E-12 4.996029440527936E-8 -3.731372884183248E-10 8.834084911237754E-9 3.229504492043908E-11
i 1.601838916404387E-14 -4.187530953084608E-14 1.672822749445722E-10 -2.921423787666759E-12 3.229504492043908E-11 1.215416536588232E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO386075  
diameter diameter 4.842 km 1.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249123 (2007 XM30)          Discovered 2007-Dec-15 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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